KOFY-TV, virtual channel 20 (UHF digital channel 19), is an independent television station located in San Francisco, California, United States. The station is owned by Granite Broadcasting. KOFY maintains studios located on Marin Street in the Bernal Heights neighborhood of San Francisco, and its transmitter is located atop the Sutro Tower. The station's signal is relayed on low-power translator station, K29DF, in Ukiah.